why is there a need of 8gb if 64 bit recognize only 4gb?

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nVidea

nVidea

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Aug 11, 2014
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Also, 32 bit recognize 3-3.5gb of ram?

If i have 64 bit windows, 8gb of ram, and i opened multiple apps, and games, will the memory reach 5gb or 6gb of usage?
 
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Scott Taylor

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Apr 25, 2014
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This is quite vague so i'll answer the best i can, If you open mad programs then possibly, otherwise no, RAM is random access memory, so every fresh boot it's cleaned. If you are using a lot of ram consider restarting your PC, or upgrade.

This also answers all ram questions you could imagine.

http://www.tomshardware.co.uk/forum/237853-44-true-reconize

Hope i helped.
 
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DHFF

DHFF

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Sep 18, 2012
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Yes. If you have a 64bit Operating system then it will make use of any RAM you put in there, up to the maximum the motherboard will accept. in most cases 16GB or 32GB.

and yes the 32bit Operating system will only see a maximum of 4GB, in most cases this varies between 3.2 and 3.75GB.
 
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boosted1g

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Jun 12, 2013
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64bit does recoginize 8gb or whatever you put in your computer.
If it is not recognizing the ram you have then the ram is not in the slot properly or there is a defective ram stick (or ram slot on your motherboard).

If you just browse the web and use ms office then most likely you will not notice a difference between 4 or 8 gb of ram. If you have a lot of windows open or use anything more demanding then yes you will use over 4gb of ram.
 
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nVidea

nVidea

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Dhff, if i am using 32 bit, win 7, and has 8gb of ram,, and opened, call of duty ghosts, modern warfare 3, bf 3, bf 4, cod black ops 1 and 2 all at the same time, will the 32 bit os use 4gb only??
 
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USAFRet

USAFRet

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32bit Windows OS can only address (a little less than) 4GB RAM. No matter what applications you open, or what RAM is installed in the system.
 
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Bluemoon_9

Bluemoon_9

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There is a trick called PAE (physical address extension), that should be able to make a 32 bit OS recognize more than 4 GB of memory. But the individual processes can use only 4GB. I used it in some old legacy servers but not in a home system.

Honestly, I would just upgrade the OS to a 64 bit system if I have 64 bit HW. Here is the MSDN article about PAE if you want to know more.

http://msdn.microsoft.com/en-us/library/windows/desktop/aa366796(v=vs.85).aspx

 
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